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HIP9010

Part Number	HIP9010
Manufacturer	Renesas
Description	Engine Knock Signal Processor
Published	Feb 8, 2019
Detailed Description	HIP9010 Engine Knock Signal Processor The HIP9010 is used to provide a method of detecting premature detonation or “Kno...
Datasheet	HIP9010 PDF File

Overview

HIP9010 Engine Knock Signal Processor The HIP9010 is used to provide a method of detecting premature detonation or “Knock” in automotive engines.
A block diagram of this IC is shown in Figure 1.
The chip alternately selects one of the two sensors mounted on the engine block.
Two programmable bandpass filters process the signal from both sensors, and divides the signal into two channels.
When the engine is not knocking, programmable gain adjust stages are set to ensure that both the reference channel and the knock channel contain similar energies.
This technique ensures that the detection system is comparatively immune to changes in the engine background noise level.
When the engine is knock...

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